| 1 | /* |
| 2 | * PDF creation tool: Tool for creating pdf content. |
| 3 | * |
| 4 | * Simple test bed to work with adding content and creating PDFs |
| 5 | */ |
| 6 | |
| 7 | #include "mupdf/fitz.h" |
| 8 | #include "mupdf/pdf.h" |
| 9 | |
| 10 | #include <string.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <stdio.h> |
| 13 | |
| 14 | static void usage(void) |
| 15 | { |
| 16 | fprintf(stderr, |
| 17 | "usage: mutool create [-o output.pdf] [-O options] page.txt [page2.txt ...]\n" |
| 18 | "\t-o -\tname of PDF file to create\n" |
| 19 | "\t-O -\tcomma separated list of output options\n" |
| 20 | "\tpage.txt\tcontent stream with annotations for creating resources\n\n" |
| 21 | "Content stream special commands:\n" |
| 22 | "\t%%%%MediaBox LLX LLY URX URY\n" |
| 23 | "\t%%%%Rotate Angle\n" |
| 24 | "\t%%%%Font Name Filename (or base 14 font name)\n" |
| 25 | "\t%%%%CJKFont Name Language WMode Style (Language=zh-Hant|zh-Hans|ja|ko, WMode=H|V, Style=serif|sans)\n" |
| 26 | "\t%%%%Image Name Filename\n\n" |
| 27 | ); |
| 28 | fputs(fz_pdf_write_options_usage, stderr); |
| 29 | exit(1); |
| 30 | } |
| 31 | |
| 32 | static fz_context *ctx = NULL; |
| 33 | static pdf_document *doc = NULL; |
| 34 | |
| 35 | static void add_font_res(pdf_obj *resources, char *name, char *path, char *encname) |
| 36 | { |
| 37 | const unsigned char *data; |
| 38 | int size, enc; |
| 39 | fz_font *font; |
| 40 | pdf_obj *subres, *ref; |
| 41 | |
| 42 | data = fz_lookup_base14_font(ctx, path, &size); |
| 43 | if (data) |
| 44 | font = fz_new_font_from_memory(ctx, path, data, size, 0, 0); |
| 45 | else |
| 46 | font = fz_new_font_from_file(ctx, NULL, path, 0, 0); |
| 47 | |
| 48 | subres = pdf_dict_get(ctx, resources, PDF_NAME(Font)); |
| 49 | if (!subres) |
| 50 | { |
| 51 | subres = pdf_new_dict(ctx, doc, 10); |
| 52 | pdf_dict_put_drop(ctx, resources, PDF_NAME(Font), subres); |
| 53 | } |
| 54 | |
| 55 | enc = PDF_SIMPLE_ENCODING_LATIN; |
| 56 | if (encname) |
| 57 | { |
| 58 | if (!strcmp(encname, "Latin" ) || !strcmp(encname, "Latn" )) |
| 59 | enc = PDF_SIMPLE_ENCODING_LATIN; |
| 60 | else if (!strcmp(encname, "Greek" ) || !strcmp(encname, "Grek" )) |
| 61 | enc = PDF_SIMPLE_ENCODING_GREEK; |
| 62 | else if (!strcmp(encname, "Cyrillic" ) || !strcmp(encname, "Cyrl" )) |
| 63 | enc = PDF_SIMPLE_ENCODING_CYRILLIC; |
| 64 | } |
| 65 | |
| 66 | ref = pdf_add_simple_font(ctx, doc, font, enc); |
| 67 | pdf_dict_puts(ctx, subres, name, ref); |
| 68 | pdf_drop_obj(ctx, ref); |
| 69 | |
| 70 | fz_drop_font(ctx, font); |
| 71 | } |
| 72 | |
| 73 | static void add_cjkfont_res(pdf_obj *resources, char *name, char *lang, char *wm, char *style) |
| 74 | { |
| 75 | const unsigned char *data; |
| 76 | int size, index, ordering, wmode, serif; |
| 77 | fz_font *font; |
| 78 | pdf_obj *subres, *ref; |
| 79 | |
| 80 | ordering = fz_lookup_cjk_ordering_by_language(lang); |
| 81 | |
| 82 | if (wm && !strcmp(wm, "V" )) |
| 83 | wmode = 1; |
| 84 | else |
| 85 | wmode = 0; |
| 86 | |
| 87 | if (style && (!strcmp(style, "sans" ) || !strcmp(style, "sans-serif" ))) |
| 88 | serif = 0; |
| 89 | else |
| 90 | serif = 1; |
| 91 | |
| 92 | data = fz_lookup_cjk_font(ctx, ordering, &size, &index); |
| 93 | font = fz_new_font_from_memory(ctx, NULL, data, size, index, 0); |
| 94 | |
| 95 | subres = pdf_dict_get(ctx, resources, PDF_NAME(Font)); |
| 96 | if (!subres) |
| 97 | { |
| 98 | subres = pdf_new_dict(ctx, doc, 10); |
| 99 | pdf_dict_put_drop(ctx, resources, PDF_NAME(Font), subres); |
| 100 | } |
| 101 | |
| 102 | ref = pdf_add_cjk_font(ctx, doc, font, ordering, wmode, serif); |
| 103 | pdf_dict_puts(ctx, subres, name, ref); |
| 104 | pdf_drop_obj(ctx, ref); |
| 105 | |
| 106 | fz_drop_font(ctx, font); |
| 107 | } |
| 108 | |
| 109 | static void add_image_res(pdf_obj *resources, char *name, char *path) |
| 110 | { |
| 111 | fz_image *image; |
| 112 | pdf_obj *subres, *ref; |
| 113 | |
| 114 | image = fz_new_image_from_file(ctx, path); |
| 115 | |
| 116 | subres = pdf_dict_get(ctx, resources, PDF_NAME(XObject)); |
| 117 | if (!subres) |
| 118 | { |
| 119 | subres = pdf_new_dict(ctx, doc, 10); |
| 120 | pdf_dict_put_drop(ctx, resources, PDF_NAME(XObject), subres); |
| 121 | } |
| 122 | |
| 123 | ref = pdf_add_image(ctx, doc, image); |
| 124 | pdf_dict_puts(ctx, subres, name, ref); |
| 125 | pdf_drop_obj(ctx, ref); |
| 126 | |
| 127 | fz_drop_image(ctx, image); |
| 128 | } |
| 129 | |
| 130 | /* |
| 131 | The input is a raw content stream, with commands embedded in comments: |
| 132 | |
| 133 | %%MediaBox LLX LLY URX URY |
| 134 | %%Rotate Angle |
| 135 | %%Font Name Filename (or base 14 font name) [Encoding (Latin, Greek or Cyrillic)] |
| 136 | %%CJKFont Name Language WMode Style (Language=zh-Hant|zh-Hans|ja|ko, WMode=H|V, Style=serif|sans) |
| 137 | %%Image Name Filename |
| 138 | */ |
| 139 | static void create_page(char *input) |
| 140 | { |
| 141 | fz_rect mediabox = { 0, 0, 595, 842 }; |
| 142 | int rotate = 0; |
| 143 | |
| 144 | char line[4096]; |
| 145 | char *s, *p; |
| 146 | fz_stream *stm; |
| 147 | |
| 148 | fz_buffer *contents; |
| 149 | pdf_obj *resources; |
| 150 | pdf_obj *page; |
| 151 | |
| 152 | resources = pdf_new_dict(ctx, doc, 2); |
| 153 | contents = fz_new_buffer(ctx, 1024); |
| 154 | |
| 155 | stm = fz_open_file(ctx, input); |
| 156 | while (fz_read_line(ctx, stm, line, sizeof line)) |
| 157 | { |
| 158 | if (line[0] == '%' && line[1] == '%') |
| 159 | { |
| 160 | p = line; |
| 161 | s = fz_strsep(&p, " " ); |
| 162 | if (!strcmp(s, "%%MediaBox" )) |
| 163 | { |
| 164 | mediabox.x0 = fz_atoi(fz_strsep(&p, " " )); |
| 165 | mediabox.y0 = fz_atoi(fz_strsep(&p, " " )); |
| 166 | mediabox.x1 = fz_atoi(fz_strsep(&p, " " )); |
| 167 | mediabox.y1 = fz_atoi(fz_strsep(&p, " " )); |
| 168 | } |
| 169 | else if (!strcmp(s, "%%Rotate" )) |
| 170 | { |
| 171 | rotate = fz_atoi(fz_strsep(&p, " " )); |
| 172 | } |
| 173 | else if (!strcmp(s, "%%Font" )) |
| 174 | { |
| 175 | char *name = fz_strsep(&p, " " ); |
| 176 | char *path = fz_strsep(&p, " " ); |
| 177 | char *enc = fz_strsep(&p, " " ); |
| 178 | if (!name || !path) |
| 179 | fz_throw(ctx, FZ_ERROR_GENERIC, "Font directive missing arguments" ); |
| 180 | add_font_res(resources, name, path, enc); |
| 181 | } |
| 182 | else if (!strcmp(s, "%%CJKFont" )) |
| 183 | { |
| 184 | char *name = fz_strsep(&p, " " ); |
| 185 | char *lang = fz_strsep(&p, " " ); |
| 186 | char *wmode = fz_strsep(&p, " " ); |
| 187 | char *style = fz_strsep(&p, " " ); |
| 188 | if (!name || !lang) |
| 189 | fz_throw(ctx, FZ_ERROR_GENERIC, "CJKFont directive missing arguments" ); |
| 190 | add_cjkfont_res(resources, name, lang, wmode, style); |
| 191 | } |
| 192 | else if (!strcmp(s, "%%Image" )) |
| 193 | { |
| 194 | char *name = fz_strsep(&p, " " ); |
| 195 | char *path = fz_strsep(&p, " " ); |
| 196 | if (!name || !path) |
| 197 | fz_throw(ctx, FZ_ERROR_GENERIC, "Image directive missing arguments" ); |
| 198 | add_image_res(resources, name, path); |
| 199 | } |
| 200 | } |
| 201 | else |
| 202 | { |
| 203 | fz_append_string(ctx, contents, line); |
| 204 | fz_append_byte(ctx, contents, '\n'); |
| 205 | } |
| 206 | } |
| 207 | fz_drop_stream(ctx, stm); |
| 208 | |
| 209 | page = pdf_add_page(ctx, doc, mediabox, rotate, resources, contents); |
| 210 | pdf_insert_page(ctx, doc, -1, page); |
| 211 | pdf_drop_obj(ctx, page); |
| 212 | |
| 213 | fz_drop_buffer(ctx, contents); |
| 214 | pdf_drop_obj(ctx, resources); |
| 215 | } |
| 216 | |
| 217 | int pdfcreate_main(int argc, char **argv) |
| 218 | { |
| 219 | pdf_write_options opts = pdf_default_write_options; |
| 220 | char *output = "out.pdf" ; |
| 221 | char *flags = "compress" ; |
| 222 | int i, c; |
| 223 | |
| 224 | while ((c = fz_getopt(argc, argv, "o:O:" )) != -1) |
| 225 | { |
| 226 | switch (c) |
| 227 | { |
| 228 | case 'o': output = fz_optarg; break; |
| 229 | case 'O': flags = fz_optarg; break; |
| 230 | default: usage(); break; |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | if (fz_optind == argc) |
| 235 | usage(); |
| 236 | |
| 237 | ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED); |
| 238 | if (!ctx) |
| 239 | { |
| 240 | fprintf(stderr, "cannot initialise context\n" ); |
| 241 | exit(1); |
| 242 | } |
| 243 | |
| 244 | pdf_parse_write_options(ctx, &opts, flags); |
| 245 | |
| 246 | doc = pdf_create_document(ctx); |
| 247 | |
| 248 | for (i = fz_optind; i < argc; ++i) |
| 249 | create_page(argv[i]); |
| 250 | |
| 251 | pdf_save_document(ctx, doc, output, &opts); |
| 252 | |
| 253 | pdf_drop_document(ctx, doc); |
| 254 | |
| 255 | fz_flush_warnings(ctx); |
| 256 | fz_drop_context(ctx); |
| 257 | return 0; |
| 258 | } |
| 259 | |